| Acronym | Meaning |
| TCAA | Top Counter-Assault Agents |
| WS | Samoa (ISO 3166 And FIPS 10-4 Country Code Digram; From West Samoa) -Writer To The Signet (a Scottish Solicitor) |
| QIP | Quadrilateral Interoperability Programme (ancestor Of MIP; Quip) |
| RC | See Entry |
| BCPL | Basic Combined Programming Language (progenitor Of C) |
| PADI | Professional Association Of Diving Instructors |
| ESL | English As A Second Language |
| SNG | Satellite News Gathering (television) |
| UHMW | Ultra-High Molecular Weight |
| MANPADS | MAN-Portable Air Defence System |